Pith Number

pith:U7J2Z45C

pith:2018:U7J2Z45CVVBV32GNMDGQELO5CJ

not attested not anchored not stored refs pending

Algorithms and Analysis for the SPARQL Constructs

Medha Atre

arxiv:1805.08037 v3 · 2018-05-21 · cs.DB

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U7J2Z45CVVBV32GNMDGQELO5CJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:15:09.443064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7d3acf3a2ad435de8cd60cd022ddd12420ff7c5a6adbd27f05178f4637b2000

Aliases

arxiv: 1805.08037 · arxiv_version: 1805.08037v3 · doi: 10.48550/arxiv.1805.08037 · pith_short_12: U7J2Z45CVVBV · pith_short_16: U7J2Z45CVVBV32GN · pith_short_8: U7J2Z45C

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/U7J2Z45CVVBV32GNMDGQELO5CJ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a7d3acf3a2ad435de8cd60cd022ddd12420ff7c5a6adbd27f05178f4637b2000

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2ee9e77353bd86bcbe2f16c52b25c9a6657ebfbbf1ce24a39095e5845014f32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2018-05-21T13:22:46Z",
    "title_canon_sha256": "a7d2453d12d8e3a41df307775d2e9cbbf63550e4f2daa0f5395f694236790419"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08037",
    "kind": "arxiv",
    "version": 3
  }
}